Phonograph sounding-board.



D. M. BLISS. PHONOGRAPH SOUNDING BOARD, APPLICATION HLED Mural, um.

1,104,340. Patented July 21, 1914 '5J JERSEY. ASSIGNCR TQ BLLSS TALKINGMACHINE QRPORATIN (JF DELAXVHE.

DUNALD lv/. BLISS F OBJ-KRF? CO., A

mi 1mm incorporated n p'wmnmogaw ferial having :itfrnate attachment tothe me@ numbers.

the chiidS: of ai trim means cunnccing he face mein- 'faf fa ce menibar@insisting (if fibrous she t maerinl imprognaed 'wiihsubsrmce toincrease im Sound' conduciviiy of' he face rziemimrs.

16. A. .mund device consisting of twv i-zii. fuif@ members spaced apartand adap( i i1@ act iik@ the @hards afa truss and iiiai'iiiiz'sci im15mg means; cfmnecting ih@ fave Hawaii( mid fac@ memiierfs-consisiiiig(if iiimiz fr licei maiici'nil impregnatd wii'h uw@ tu increfueiimsnulid. Canduc- :iff this face riieinberst i?. A mind ievice consistingof two face nmmbfis Spziced apart and adapted to nd', iik@ (ha chords ofa truss, distributed tuiy ing me nii ci meeting H fave mm'nbeizlt, and.:i leching mums ai; the p'eripheijx of said ,winni device i0 Siuii :itliras'u one M tile face mmiiiirs.

S'. in i Smimi device, a. viln'nory memiiir consi "iig o' a stiea'hedface member and framing' means in intimate Contact with Sfiifi fairemiem-Jerr- :it many pinces distributed iirmig :mit the mail. of he im@member i@ stiffer; 'Hic same throughout ali the; anni 'em braced by thetru; ing means.

I 'i in zi Sound device, n vibxatoijv meiibuif hzissmg imam,- in intimneContact with sfiiri faire mombfsr at mnny pimcc; disir'ihuidti/zxfiugghriif #im area of thv fum nwmiicl i0 Qjiei ik@ same,throughout, :1H the area @5m-- imm@ by he t izssing means, said sounddevice ixxing aim provided Wit-h L Window and i Styius mounting disposedadjacent the, win-flow,

20. in a. resonator' ph0rif),g1'aph` the cnmbiimirm of n, turntable madeof resonant :miseri-Ai mui povided with a rvsnneiiing f fmmiex'; :md :ivibmtm'y i'esnmfitoi atllaciwr t.' ci, Sigi/'imc mmiiiinff, t0 cli-:iciwith the resi izz'iingg itimmim." if bien: tu?g iziiiii", for timrfipi'ii'iizsi'iim'i of the smmii wriiing' on mcmai zfiiiifii,A

in i iisimaiim phonograpli, the conm 11 sound device Consisting' (if 'woi 'fz-.cc zwinker-s spaced 21mm :mii i ii-t iiiif: the?. chimie: of aiii' Y, ing means mmmatii f their mid aliasing mea-ns Con,

'ii 51m/'ing ai mais ij g .45, and distributed.

i sound devial consisting of we fac@ f i i i i i miuzi #E a iisimablemade nf resonant pbmgir; crmising of (Zvw stretched face mud @mimiprovided with a. face ilisrg'i'iit ri' missing meuabci', and

ism/ad device pmvii-EQd with a face l i, flir wiinimfd ti'iissingmember, and :i rim m' mw msm i' w stretch the face meiiifiiz ...iid wundic-,vice being also prnvided with a. window and i styiais mountingciispiisiixd fii'ijimsi, the Winden".

2i?. phono 'mph soumiing board (iin- ,Uhi-nggm mi .iifif nf info fficenun'xbcrs spasmi part zidzipifhi {i} :wt like ihc ciim'iis if I, andiixstriiiilw! trussing ini-nine. conrmctiug the face memni'S, :ind aayhis; dfwirzc cumiccied to said diupn'zignn.

2i". A phonfigxnph soumiinf board diziphmpjm cmu-.istiixg of iwf.)'iziic memiieis Spii'teii iipnrt mii isiupiffi in zwi; like. libc Chords0f :i iuza, :md ti'HSsiilg means Crm* nficiing iii@ Fam members, Saidtr'nssing :mums roxisisiig 0f sheet mutci'izii having ziitcmnie:ittzicimmn to the face nminbeis, :md :i siiyiixs device connaced insaid dim phragm.

A iiihurmg'i'zipii sounding board dinphiag'm consisting; nf 'Lwn fficemembers spmferi ixgmft :imi adapted in :1ct likeI the herds in :i triand trussing means coni'iiviny; i'm Slim monfihei's, fiiii trussingmeans 'fniisisiiiig' nf She-0f Historial having 125 uiiziz/:zi singuinliii'i-2icim'mii. to lha fum ri'iifmbm's um! :i iyius di?, :acomiecffciito .mid ii:iiir;'i;in.

members spaced apart and adapted to act like lthe chords of a truss, anddistributed irnssing means connecting the face members, and a stylusdevice connected to said diaphragm.

30. A phonograph sounding beard diaphragm consisting of two stretchedface members spaced apart and adapted to act.

like the chords of a truss, and trussing means connecting the facemembers, said trnssing means consisting of sheet material havingalternate attachment to the face members, and a stylus device connect-edto said diaphragm.

3l. A phonograph sounding board diaphragm consist-ing of two stretchedface members spaced apart and adaptedto act like the chords of a truss,and trussing means connecting the face men'ibers, said trussing leansconsisting of sheet material having alternate angular attachment to theface members, and a stylus device connected to said diaphragm.

32. A phonograph sounding board diax phragm consisting of two tacemembers spaced apart and adapted to act like the chords ot'alru'ss, anddistributed trussing means connecting-the face members, said liaphraginbeing provided With a Window and a stylus mounting adjacent the window.

2:33. A phonograph sounding` board diaphragm consisting of two facemembers spaced apart and adapted to act like the chords of a truss, anddistributed trussing means Connecting the face members, said la cemembers consisting of fibrous sheet mate `ial impregnated with asubstance to increase the sound conductivity1 of the face members, and astylus device Connected to said diaphragm.

A phonograph sounding board diaphragm consisting of two stretched facemembers spaced apart and adapted to act like the chords of a truss, anddistributed trus'sin';r means connecting the face inembers, said facemembers consisting of fibrous sheet material impregnated with asubstance to increase the sou nd conductivity of the face members, and astylus vdevice connected to said diaphragm.

35. A phonograph soundin board diaphragm consisting of two ace membersspaced apart and adapted to act like the chords of a truss, distributedtrussing'means connecting the face members, and a stretching means atthe periphery of said dia-` phragm to stretch at least one of the facemembers, and a stylus device connected to said diaphragm.

DONALD M. BLISS.

Witnesses VVALTON HARRISON, JOHN COMERY.

